i'd try to find somebody (local hackerspace?) with a 4'x8' CNC router who is willing to pop one of these https://www.rockcliffmachine.com/product/cnc-pen-holder

i'd try to find somebody (local hackerspace?) with a 4'x8' CNC router who is willing to pop one of these https://www.rockcliffmachine.com/product/cnc-pen-holder/ https://www.rockcliffmachine.com/product/cnc-pen-holder/ into their machine.